Denial of Service Vulnerability in Libarchive Affecting Multiple Versions
CVE-2016-8689

7.5HIGH

Key Information:

Vendor

Libarchive

Status
Libarchive
Vendor
CVE Published:
15 February 2017

What is CVE-2016-8689?

The read_Header function in the archive_read_support_format_7zip.c file of Libarchive version 3.2.1 contains a flaw that allows remote attackers to exploit a denial of service condition. By leveraging multiple EmptyStream attributes in a header of a specially crafted 7zip archive, these attackers can trigger an out-of-bounds read, leading to potential crashes of the application using this library.

References

http://www.openwall.com/lists/oss-security/2016/10/16/11
mailing-listx_refsource_MLIST
https://github.com/libarchive/libarchive/commit/7f17c791d...
x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2018/11/msg0...
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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